W [Russian]

Chae Kyung Lee

Nurse Jung

Lee Jong-Suk

Kang Cheol

Han Hyo-joo

Oh Yeon-joo

Kim Eui-sung

Oh Sung-moo

Jeong Eu-Gene

Yoon So-hui

Lee Tae-Hwan

Seo Do-yoon

Lee Si-eon

Park Soo-bong

Kang Ki-young

Kang Suk-bum

Nam Gi-ae

Gil Soo-seon

Park Won-Sang

Han Chul-ho

Heo Jung-do

Park Min-Soo

Minyeong Choi

Kang Chul's younger brother

Hee-Jun Oh

Motel receptionist

Na-woon Kim

Yoon Mi-ho (Kang Cheol's mother)

Derek Chouinard

Olympics Cameraman

Nair Sachin

Cameo